How To Insulate Over T111 Roof

In this article we are going to explore both financial and technical aspects when it comes to looking for the best method to insulate the metal roofing.

How to insulate over t111 roof.

The current house has thermo ply over the studs then rigid insulation then t1 11. Talking about metal roof insulation this thing is one of the most challenging things people work in this field is facing it demands and requires excellent skill and expertise which you may only get from a reputable roofing contractor. I have not found any problems behind the t1 11 that i have removed. On new build or replacement pitched roofs the ideal build up would be insulation fitted over and then between the rafters giving a big boost for airtightness image credit.

It is an acceptable practice to install a new roof over an existing roof membrane system provided that the roof deck is. It is 20 years old and so far has fared pretty well. Jenny flip the t1 11 over and use the smooth side for the roofing. Things like tyvek on the outside under the t1 11 do help by providing a drainage plain and keeping water leaks away from the fiberglass.

The current trend is for a warm roof where insulation is installed between the rafters thereby keeping the roof timbers warm. How to install insulation board over an existing roof membrane. There is minor delamination on the south side and minor rot against the deck in the back. As for the fasteners if you don t want them to show from below use asphalt adhered insulation provided you don t have significant uplift considerations for the roof.

Ice water and cause insulation breakdown.